方程x (2x-10) 2(x-12)=236怎样解
问题描述:
方程x (2x-10) 2(x-12)=236怎样解
答
应该是x+(2x-10)+2(x-12)=236
x+2x-10+2x-24=236
x+2x+2x=236+24+10
5x=270
x=270÷5
x=54